Security personnel including BSF jawans were returning from a combing operation when they detected the three landmines under Tangurukunda road in Kalimela area, Malkangiri Superintendent of Police Akhileswar Singh said.
The landmines were defused by a special squad from Malkangiri, police said adding the explosives were apparently planted to target the security forces moving in the Maoist-hit area.
In another incident, jawans of Odisha's elite anti-Maoist special operation group(SOG) captured two persons with alleged Maoist links in a forest in Padia police station limit, the SP said.
The two confessed to Maoist links during interrogation, the police said adding investigation is on to ascertain their activities.